Heir duke of Royan & Count of Olonne since 2021
Prince Jean Antoine Philippe Rainier Marie was born on April 18, 2005 in Neuilly-sur-Seine (France). He is the second child of Their Highnesses Prince Jérôme and Princess Eugenie and the younger brother of the current Duke, Prince Georges.
Prince Jean practices judo and tennis, two sports he particularly enjoys.
He is currently studying at the Lycée international de Saint-Germain-en-Laye.
In 2021 following the death of Prince Jérôme, Prince Jean becomes the heir apparent to the title of Duke, his older brother not yet having direct descendants.